https://reunido.uniovi.es/index.php/ACESXVIII <p><em>Anejos de Cuadernos de Estudios del Siglo XVIII</em> are a collection of digital books with ISBN co-published by the Instituto Feijoo de Estudios del Siglo XVIII and Ediciones Trea</p> Universidad de Oviedo es-ES Anejos de Cuadernos de Estudios del Siglo XVIII 2697-0856 https://reunido.uniovi.es/index.php/ACESXVIII/article/view/22106 <p>On the occasion of the third centenary of the publication of the first volume of the <em>Military Reflections</em> of the 3rd Marquis of Santa Cruz de Marcenado, seven research studies are brought together which deal with his work as a diplomat in positions of great importance at various European courts, the treatise and military dimension as a professional sphere in which his service to the State was carried out and the projection and legacy of his work.</p> Juan Díaz Álvarez Pelayo Fernández García Copyright (c) 2025 Juan Díaz Álvarez, Pelayo Fernández García https://creativecommons.org/licenses/by-nc-nd/4.0 2025-11-07 2025-11-07 18 1 282 10.17811/acesxviii.18.2025.1-282